A library to find JS RegExp with super-linear worst-case time complexity for attack strings that repeat a single character.

The Yeoman character in your CLI. Like wat.

A universally-unique, lexicographically-sortable, identifier generator

Check if a character is alphanumerical

Parse HTML character references

Check if a character is alphabetical

Check if a character is decimal

Get the line and column number of a specific character in a string

Serialize (encode) HTML character references

Get East Asian Width from a character.

Count how often a character (or substring) is used in a string

Glob matching for javascript/node.js. A replacement and faster alternative to minimatch and multimatch.

micromark utility to decode markdown strings

Word and character count feature for CKEditor 5.

A module of trim multibyte string by character width. This will work even if contained Unicode, emoji, and surrogate pairs.

A regex to match any full character, considering weird character ranges.

remark-lint rule to check list item checkbox characters

A JavaScript library that breaks strings into their individual user-perceived characters (including emojis!)

Tiny helpers for processing regex syntax

Tells, is given character a part of astral character, specifically, a high and low surrogate